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OLED (Organic Light Emitting Diode) is a light emitting diode that uses organic compounds that emit light when electric current is applied. It consists of a series of thin organic films placed between two conductors. OLEDs are very thin, only 100-500 nanometers, and emit light through electroluminescence when electric current passes through the organic layers. They can be passive matrix or active matrix and come in transparent, top-emitting, and flexible varieties. OLEDs are being used in applications like TVs, phones, keyboards, and lighting due to advantages like being thinner, lighter, more power efficient, and flexible compared to LCDs.
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Organic Light Emitting Diodes
Organic Light Emitting Diodes (OLEDs) are light emitting diodes that use organic compounds that emit light in response to an electric current. OLEDs have advantages over traditional LEDs in that they are lighter weight, use less power, and can be printed on various surfaces. However, they also have shorter battery life and higher costs. The document then provides details on the components of an OLED, how it works by recombination of charges in the emissive layer, and examples of molecules commonly used including Alq3.
Oled semiconductors
This document discusses OLED technology. It begins by outlining some of the main applications of OLEDs, including in televisions and small screens due to their high reliability and readability. It then describes the basic structure of an OLED, which consists of a substrate layer, anode layer, conductive layer, emissive layer, and cathode layer. Electrons and holes combine in the emissive layer to produce light. The document notes some challenges with OLEDs, such as potential damage from water and their relatively short lifespan compared to other display technologies.
Oled
An OLED is an electronic device made of thin organic films between two conductors that emits bright light when electricity is applied. OLEDs are thinner, lighter, and more flexible than traditional LEDs. They operate by applying a voltage that allows an electrical current to flow through organic layers, causing electrons and electron holes to combine and emit light at the boundary between layers.
oled.ppt
Under this report, the importance of OLEDs
and their advantages over LEDs and how
different types of OLEDs play important role in
future technology
Flexible electronic displays
This document discusses flexible electronic displays and organic light emitting diode (OLED) technology. It begins with acknowledgements and outlines the aims and structure of the project. It then discusses what makes flexible displays attractive, describing them as rugged, lightweight, thin, portable and low power. It explains that flexible displays are either reflective like e-paper or emissive like OLEDs. Key types of reflective displays discussed are Gyricon, electrophoretic ink and cholesteric, while OLED displays are described as self-emissive. Advantages of flexible OLEDs include being thinner, lighter, flexible and requiring less power than other display technologies.
Flexible display
This technical seminar discusses electronic paper (e-paper) and flexible displays. E-paper is a display that is flexible and can be bent like paper. It has a wide viewing angle and low power consumption. E-paper was first developed in the 1970s and works by having black and white particles move to the top or bottom of capsules to create an image. Flexible displays allow users to interact with devices by twisting, bending, and folding. E-paper has applications in electronic shelf labels, e-books, and could replace newspapers and books in the future. The seminar covers the history, construction, functionality, advantages, and applications of e-paper and flexible displays.
OLED Technology
this presentation is about OLED(organic light emitting diode) technology.It involves how oleds works,the types of oled and their mechanisms,advantages,disadvantages,applications
Future trends of oled technology
OLED (organic light emitting diode) technology provides better picture quality, sleeker designs, and lower cost compared to LED/LCD displays by being self-emitting. It was first observed that certain organic materials emitted light when an electric current was passed through them. There are different types of OLED displays like passive-matrix, active-matrix, transparent, and foldable. While OLEDs provide advantages like thinness, light weight, wide viewing angles and low power consumption, challenges remain around limited material lifetimes, sensitivity to water, and patent restrictions. Future areas of focus include higher efficiency micro displays, dual-sided displays, and overcoming material roadblocks.
Recommended
Organic Light Emitting Diodes
Organic Light Emitting Diodes (OLEDs) are light emitting diodes that use organic compounds that emit light in response to an electric current. OLEDs have advantages over traditional LEDs in that they are lighter weight, use less power, and can be printed on various surfaces. However, they also have shorter battery life and higher costs. The document then provides details on the components of an OLED, how it works by recombination of charges in the emissive layer, and examples of molecules commonly used including Alq3.
Oled semiconductors
This document discusses OLED technology. It begins by outlining some of the main applications of OLEDs, including in televisions and small screens due to their high reliability and readability. It then describes the basic structure of an OLED, which consists of a substrate layer, anode layer, conductive layer, emissive layer, and cathode layer. Electrons and holes combine in the emissive layer to produce light. The document notes some challenges with OLEDs, such as potential damage from water and their relatively short lifespan compared to other display technologies.
Oled
An OLED is an electronic device made of thin organic films between two conductors that emits bright light when electricity is applied. OLEDs are thinner, lighter, and more flexible than traditional LEDs. They operate by applying a voltage that allows an electrical current to flow through organic layers, causing electrons and electron holes to combine and emit light at the boundary between layers.
oled.ppt
Under this report, the importance of OLEDs
and their advantages over LEDs and how
different types of OLEDs play important role in
future technology
Flexible electronic displays
This document discusses flexible electronic displays and organic light emitting diode (OLED) technology. It begins with acknowledgements and outlines the aims and structure of the project. It then discusses what makes flexible displays attractive, describing them as rugged, lightweight, thin, portable and low power. It explains that flexible displays are either reflective like e-paper or emissive like OLEDs. Key types of reflective displays discussed are Gyricon, electrophoretic ink and cholesteric, while OLED displays are described as self-emissive. Advantages of flexible OLEDs include being thinner, lighter, flexible and requiring less power than other display technologies.
Flexible display
This technical seminar discusses electronic paper (e-paper) and flexible displays. E-paper is a display that is flexible and can be bent like paper. It has a wide viewing angle and low power consumption. E-paper was first developed in the 1970s and works by having black and white particles move to the top or bottom of capsules to create an image. Flexible displays allow users to interact with devices by twisting, bending, and folding. E-paper has applications in electronic shelf labels, e-books, and could replace newspapers and books in the future. The seminar covers the history, construction, functionality, advantages, and applications of e-paper and flexible displays.
OLED Technology
this presentation is about OLED(organic light emitting diode) technology.It involves how oleds works,the types of oled and their mechanisms,advantages,disadvantages,applications
Future trends of oled technology
OLED (organic light emitting diode) technology provides better picture quality, sleeker designs, and lower cost compared to LED/LCD displays by being self-emitting. It was first observed that certain organic materials emitted light when an electric current was passed through them. There are different types of OLED displays like passive-matrix, active-matrix, transparent, and foldable. While OLEDs provide advantages like thinness, light weight, wide viewing angles and low power consumption, challenges remain around limited material lifetimes, sensitivity to water, and patent restrictions. Future areas of focus include higher efficiency micro displays, dual-sided displays, and overcoming material roadblocks.
Sonu sharam oled
An OLED (organic light emitting diode) is a solid-state device that emits light when an electrical current is applied. It consists of a series of thin organic layers sandwiched between an anode and a cathode. When a current flows through the device, electrons are injected from the cathode and holes from the anode. The electrons and holes recombine in the emissive layer, releasing energy in the form of photons that produce light. The basic OLED structure includes an emissive layer to produce light, a conductive layer to transport holes, an anode to remove electrons, and a substrate to support the thin organic layers.
FLEXIBLE DISPLAY SEMINAR BY SAIKIRAN PANJALA
I was presented this ppt in college .........
A durable and flexible display with low-power consumption, high-contrast ratio, has been a technical challenge for nowadays. They have to be lightweight, rugged, and in some cases, conformal, wearable, rollable and unbreakable. The recent successful integration of flexible display technologies and the traditional web-based processing and/or inkjet technologies has opened up the possibility of low cost and high throughput roll-to-roll manufacturing and has shown the potential to replace the paper used today.
A flexible display cannot rely on a normal layer of glass as used in displays common at the time since glass does not fulfill the criteria of flexibility. Instead of glass it is possible to build displays on metal foil and a variety of plastics, each of which pose many difficult issues waiting to be resolved. For example, a plastic substrate replacing glass would need to over some properties of glass, i.e. clarity, dimensional stability, thermal stability, barrier, solvent resistance and a low coefficient of thermal expansion coupled with a smooth surface. No plastic isomers have all these properties, yet, so any plastic-based substrate will almost certainly be a multilayer composite structure.
Ole Dppt
OLEDs rely on organic materials that emit light when electric current is applied. They have advantages over LCDs like being thinner, requiring no backlight, and enabling flexible displays. However, their organic materials have limited lifetimes and can be damaged by water, so improved sealing processes are important. Product demonstrations include an 11-inch 0.3mm thick 960x540 pixel display and a 3mm thin 11-inch 940x540 display with high contrast ratio from Sony.
kilo
OLED technology provides advantages over traditional LCD and plasma displays including being thinner, lighter, more power efficient, and capable of brighter, clearer images. An OLED works by emitting light when electric current passes through emissive organic materials, allowing each pixel to produce its own light. While OLEDs currently have higher costs and shorter battery lives than LCDs, companies are developing smaller OLED TVs and expect costs to decrease as the technology matures.
oled(organic light emmiting diode) ppt(power point presentation)
Organic light-emitting diodes (OLEDs) are light-emitting diodes that use organic compounds that emit light in response to an electric current. There are several types of OLEDs including passive matrix OLEDs, active matrix OLEDs, transparent OLEDs, flexible OLEDs, and white OLEDs. OLEDs have advantages over LCDs like being thinner, lighter, more flexible, having a faster response time and wider viewing angles. However, OLEDs also currently have disadvantages like higher costs and issues with lifespan, water damage, and color balance. Major applications of OLEDs today include use in OLED TVs, mobile phone displays, and potentially future roll-
Organic Light Emitting Diode
OLED (Organic Light Emitting Diode) is a light emitting diode that uses organic compounds that emit light when electric current is applied. OLEDs are used in digital displays of devices like TVs. An OLED is made up of a layer of organic semiconductor material situated between two electrodes, where applying a voltage causes electrons and electron holes to recombine and release energy in the form of light. OLEDs offer benefits over LCDs like thinner profiles, faster response times, and ability to produce true black levels. Current research is focused on improving OLED efficiency and lifespan for uses in lighting, displays, and transparent devices.
OLED full PPT
OLED - Organic Light Emitting Diode
Today's most rapidly growing technology in World
All display technology now change to OLED
Less Power consumption
Cost Effective
Flexible
Environment Friendly
Flexible Electronic display ppt,VTU format
power point presentation on flexible electronic display i.e foled and gyricon displays.VTU seminar format.
presentation on OLED
The document discusses OLED (organic light-emitting diode) technology. OLEDs are thin, light-emitting diodes made by placing a film of organic material between two conductors. When electric current is applied, electrons from one side recombine with electron holes on the other side, releasing energy in the form of light. OLEDs can be used to create bright, flexible, energy-efficient displays. They are being used increasingly in devices like phones, TVs, and digital cameras due to advantages like thinness, light weight, wide viewing angles, and low power consumption. However, challenges remain in improving the lifetime of blue OLED materials and reducing manufacturing costs.
Flexible displays
Flexible display is a display which is flexible in nature; differentiable from the more prevalent traditional flat screen displays used in most electronics devices. In the recent years there has been a growing interest from numerous consumer electronics manufacturers to apply this display technology in e-readers, mobile phones and other consumer electronics.
Flexible displays are an exciting development because of their physical and performance attributes and their capability to enable new products requiring displays with unique form factors that the current rigid glass substrate based displays cannot support. Flexible displays can be very thin, light weight, have unique form factors and be highly rugged and not prone to breakage on impact unlike rigid and flat glass substrate based displays. The flexible form factors such as having an arbitrary shape, ability to be curved, conformal, bendable, and roll-able can enable a variety of new applications and products.
OLED technology Seminar Ppt
OLED technology uses organic light emitting diodes to create brighter, thinner, and more flexible displays. An OLED is composed of thin films of organic molecules that emit light when electricity is applied. The first OLED was developed in 1987, and since then OLEDs have been used in various displays. OLEDs offer advantages over LCDs like higher contrast, better viewing angles, and less power consumption. Major applications of OLEDs include televisions, smartphones, and laptops.
Seminar Report On O.L.E.D.
Can we just imagine of having a TV which can be rolled up? Wouldn’t you like to be able to read off the screen of your laptop in direct sunlight? Your mobile phone battery to last much, much longer? Or your next flat screen TV to be less expensive, much flatter, and even flexible? Well, now it is possible by an emerging technology based on the revolutionary discovery that, light emitting, fast switching diode could be made from polymers as well as semiconductors.OLED
Organic LED's
Organic LEDs (OLEDs) are a type of thin, lightweight LED that uses organic compounds that emit light in response to an electric current. OLEDs can be used for displays and solid state lighting applications. They have advantages over LCDs like being thinner, lighter, achieving higher contrast, and not requiring backlighting. OLEDs operate by using organic material layers, including an emissive layer, between an anode and cathode. When an electron and hole pair recombine in the emissive layer, a photon is released, emitting light. Research is focused on improving the lifetime of blue organic films and reducing production costs.
Flexible display
Flexible displays are essentially very thin display screens that can be printed onto flexible or stretchable material and then attached to other surfaces or produced in a variety of shapes
OLED Dispaly Technology
The document provides information about OLED display technology. It begins with an introduction to OLEDs, explaining that they are made of organic carbon-based films sandwiched between electrodes that emit light when electric current is applied. It then discusses the basic components and working principle of OLEDs, including the layers involved and how electrons and holes recombine to produce light. The document also outlines the different types of OLED displays, including passive matrix OLEDs, active matrix OLEDs, and transparent OLEDs. It provides details on each type and their uses and efficiencies.
Organic Light Emitting Diode
Snehasis Mondal wrote a report on organic light emitting diode (OLED) technology for his degree in electronics and communication engineering. The report discusses the history and components of OLEDs. It explains that OLEDs are made of organic compounds sandwiched between two electrodes that emit light when voltage is applied. The report also covers the advantages of OLEDs like being lightweight, flexible, and having lower power consumption compared to other displays. It discusses potential applications of OLED technology in various industries.
Oled
OLED (organic light-emitting diode) is a light-emitting diode made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted from a device that is 100 to 500 nm thick. There are different types of OLEDs including passive matrix OLEDs, active matrix OLEDs, and foldable OLEDs. OLEDs have advantages over traditional lighting like being lightweight, thin, flexible, more energy efficient, and having faster response times. However, their manufacturing processes are currently expensive and their organic materials have limited lifetimes. OLEDs are used in displays for phones, TVs, watches and can potentially replace traditional light bulbs
Oled
The document discusses OLED display systems. It provides a brief history of OLED development from early observations of electroluminescence in organic materials in the 1950s to modern OLED technologies. It then covers key topics such as the working principle of OLEDs, common materials used like small molecules and polymers, advantages over LCD displays like higher brightness and thinner profiles, and applications of OLED displays.
E-Paper Technology Documentation
Electronic paper, or e-paper, is a display technology that mimics the appearance of ordinary ink on paper. Unlike LCD displays which use backlighting, e-paper reflects light like paper and can hold text and images indefinitely without drawing electricity. It was first developed in the 1970s at Xerox PARC. E-paper works through tiny plastic beads or microcapsules embedded in a sheet, each with two sides of different colors. An electric field rotates the beads to display one color or the other. E-paper provides advantages like wide viewing angle, flexibility, low power consumption, and readability in sunlight. However, it also has disadvantages like low refresh rates and needing backlighting for low-
E-paper Technology
Rohit Egade presented on e-paper technology. E-paper is also called electronic paper or electronic ink display. It is flexible, portable, and can hold text and images like ordinary paper but uses electronic components. E-paper was first developed in the 1970s and two main technologies are electrophoretic and gyricon. It has a front plane made of e-ink and a back plane of electronic circuits. E-paper has properties like being thin, flexible, requiring no power to hold images, and being readable in sunlight. It can be used in applications like e-readers, watches, mobile phones, and status displays. Advantages include low power use and reading like paper while disadvantages are slow switching speeds
Tool verbs
This document lists various tool verbs in both English and Spanish, including hammer, drill, nail, screw, unscrew, work, drive, calculate, measure, repair, fix, hit, use, wear, tighten, fasten, loosen, cut, bend, assemble, join, and beat.
Phrases and verbs 5to (2)
This document provides examples and definitions for 9 English phrasal verbs:
1. Come across - To find something by accident.
2. Look forward to - To be excited about something that will happen in the future.
3. Take up - To start doing an activity or hobby.
It includes examples of using each phrasal verb in a sentence. Exercises are provided to match the phrasal verbs with their definitions and write original sentences using each one. The purpose is to teach and practice these common English phrasal verbs.
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Sonu sharam oled
An OLED (organic light emitting diode) is a solid-state device that emits light when an electrical current is applied. It consists of a series of thin organic layers sandwiched between an anode and a cathode. When a current flows through the device, electrons are injected from the cathode and holes from the anode. The electrons and holes recombine in the emissive layer, releasing energy in the form of photons that produce light. The basic OLED structure includes an emissive layer to produce light, a conductive layer to transport holes, an anode to remove electrons, and a substrate to support the thin organic layers.
FLEXIBLE DISPLAY SEMINAR BY SAIKIRAN PANJALA
I was presented this ppt in college .........
A durable and flexible display with low-power consumption, high-contrast ratio, has been a technical challenge for nowadays. They have to be lightweight, rugged, and in some cases, conformal, wearable, rollable and unbreakable. The recent successful integration of flexible display technologies and the traditional web-based processing and/or inkjet technologies has opened up the possibility of low cost and high throughput roll-to-roll manufacturing and has shown the potential to replace the paper used today.
A flexible display cannot rely on a normal layer of glass as used in displays common at the time since glass does not fulfill the criteria of flexibility. Instead of glass it is possible to build displays on metal foil and a variety of plastics, each of which pose many difficult issues waiting to be resolved. For example, a plastic substrate replacing glass would need to over some properties of glass, i.e. clarity, dimensional stability, thermal stability, barrier, solvent resistance and a low coefficient of thermal expansion coupled with a smooth surface. No plastic isomers have all these properties, yet, so any plastic-based substrate will almost certainly be a multilayer composite structure.
Ole Dppt
OLEDs rely on organic materials that emit light when electric current is applied. They have advantages over LCDs like being thinner, requiring no backlight, and enabling flexible displays. However, their organic materials have limited lifetimes and can be damaged by water, so improved sealing processes are important. Product demonstrations include an 11-inch 0.3mm thick 960x540 pixel display and a 3mm thin 11-inch 940x540 display with high contrast ratio from Sony.
kilo
OLED technology provides advantages over traditional LCD and plasma displays including being thinner, lighter, more power efficient, and capable of brighter, clearer images. An OLED works by emitting light when electric current passes through emissive organic materials, allowing each pixel to produce its own light. While OLEDs currently have higher costs and shorter battery lives than LCDs, companies are developing smaller OLED TVs and expect costs to decrease as the technology matures.
oled(organic light emmiting diode) ppt(power point presentation)
Organic light-emitting diodes (OLEDs) are light-emitting diodes that use organic compounds that emit light in response to an electric current. There are several types of OLEDs including passive matrix OLEDs, active matrix OLEDs, transparent OLEDs, flexible OLEDs, and white OLEDs. OLEDs have advantages over LCDs like being thinner, lighter, more flexible, having a faster response time and wider viewing angles. However, OLEDs also currently have disadvantages like higher costs and issues with lifespan, water damage, and color balance. Major applications of OLEDs today include use in OLED TVs, mobile phone displays, and potentially future roll-
Organic Light Emitting Diode
OLED (Organic Light Emitting Diode) is a light emitting diode that uses organic compounds that emit light when electric current is applied. OLEDs are used in digital displays of devices like TVs. An OLED is made up of a layer of organic semiconductor material situated between two electrodes, where applying a voltage causes electrons and electron holes to recombine and release energy in the form of light. OLEDs offer benefits over LCDs like thinner profiles, faster response times, and ability to produce true black levels. Current research is focused on improving OLED efficiency and lifespan for uses in lighting, displays, and transparent devices.
OLED full PPT
OLED - Organic Light Emitting Diode
Today's most rapidly growing technology in World
All display technology now change to OLED
Less Power consumption
Cost Effective
Flexible
Environment Friendly
Flexible Electronic display ppt,VTU format
power point presentation on flexible electronic display i.e foled and gyricon displays.VTU seminar format.
presentation on OLED
The document discusses OLED (organic light-emitting diode) technology. OLEDs are thin, light-emitting diodes made by placing a film of organic material between two conductors. When electric current is applied, electrons from one side recombine with electron holes on the other side, releasing energy in the form of light. OLEDs can be used to create bright, flexible, energy-efficient displays. They are being used increasingly in devices like phones, TVs, and digital cameras due to advantages like thinness, light weight, wide viewing angles, and low power consumption. However, challenges remain in improving the lifetime of blue OLED materials and reducing manufacturing costs.
Flexible displays
Flexible display is a display which is flexible in nature; differentiable from the more prevalent traditional flat screen displays used in most electronics devices. In the recent years there has been a growing interest from numerous consumer electronics manufacturers to apply this display technology in e-readers, mobile phones and other consumer electronics.
Flexible displays are an exciting development because of their physical and performance attributes and their capability to enable new products requiring displays with unique form factors that the current rigid glass substrate based displays cannot support. Flexible displays can be very thin, light weight, have unique form factors and be highly rugged and not prone to breakage on impact unlike rigid and flat glass substrate based displays. The flexible form factors such as having an arbitrary shape, ability to be curved, conformal, bendable, and roll-able can enable a variety of new applications and products.
OLED technology Seminar Ppt
OLED technology uses organic light emitting diodes to create brighter, thinner, and more flexible displays. An OLED is composed of thin films of organic molecules that emit light when electricity is applied. The first OLED was developed in 1987, and since then OLEDs have been used in various displays. OLEDs offer advantages over LCDs like higher contrast, better viewing angles, and less power consumption. Major applications of OLEDs include televisions, smartphones, and laptops.
Seminar Report On O.L.E.D.
Can we just imagine of having a TV which can be rolled up? Wouldn’t you like to be able to read off the screen of your laptop in direct sunlight? Your mobile phone battery to last much, much longer? Or your next flat screen TV to be less expensive, much flatter, and even flexible? Well, now it is possible by an emerging technology based on the revolutionary discovery that, light emitting, fast switching diode could be made from polymers as well as semiconductors.OLED
Organic LED's
Organic LEDs (OLEDs) are a type of thin, lightweight LED that uses organic compounds that emit light in response to an electric current. OLEDs can be used for displays and solid state lighting applications. They have advantages over LCDs like being thinner, lighter, achieving higher contrast, and not requiring backlighting. OLEDs operate by using organic material layers, including an emissive layer, between an anode and cathode. When an electron and hole pair recombine in the emissive layer, a photon is released, emitting light. Research is focused on improving the lifetime of blue organic films and reducing production costs.
Flexible display
Flexible displays are essentially very thin display screens that can be printed onto flexible or stretchable material and then attached to other surfaces or produced in a variety of shapes
OLED Dispaly Technology
The document provides information about OLED display technology. It begins with an introduction to OLEDs, explaining that they are made of organic carbon-based films sandwiched between electrodes that emit light when electric current is applied. It then discusses the basic components and working principle of OLEDs, including the layers involved and how electrons and holes recombine to produce light. The document also outlines the different types of OLED displays, including passive matrix OLEDs, active matrix OLEDs, and transparent OLEDs. It provides details on each type and their uses and efficiencies.
Organic Light Emitting Diode
Snehasis Mondal wrote a report on organic light emitting diode (OLED) technology for his degree in electronics and communication engineering. The report discusses the history and components of OLEDs. It explains that OLEDs are made of organic compounds sandwiched between two electrodes that emit light when voltage is applied. The report also covers the advantages of OLEDs like being lightweight, flexible, and having lower power consumption compared to other displays. It discusses potential applications of OLED technology in various industries.
Oled
OLED (organic light-emitting diode) is a light-emitting diode made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted from a device that is 100 to 500 nm thick. There are different types of OLEDs including passive matrix OLEDs, active matrix OLEDs, and foldable OLEDs. OLEDs have advantages over traditional lighting like being lightweight, thin, flexible, more energy efficient, and having faster response times. However, their manufacturing processes are currently expensive and their organic materials have limited lifetimes. OLEDs are used in displays for phones, TVs, watches and can potentially replace traditional light bulbs
Oled
The document discusses OLED display systems. It provides a brief history of OLED development from early observations of electroluminescence in organic materials in the 1950s to modern OLED technologies. It then covers key topics such as the working principle of OLEDs, common materials used like small molecules and polymers, advantages over LCD displays like higher brightness and thinner profiles, and applications of OLED displays.
E-Paper Technology Documentation
Electronic paper, or e-paper, is a display technology that mimics the appearance of ordinary ink on paper. Unlike LCD displays which use backlighting, e-paper reflects light like paper and can hold text and images indefinitely without drawing electricity. It was first developed in the 1970s at Xerox PARC. E-paper works through tiny plastic beads or microcapsules embedded in a sheet, each with two sides of different colors. An electric field rotates the beads to display one color or the other. E-paper provides advantages like wide viewing angle, flexibility, low power consumption, and readability in sunlight. However, it also has disadvantages like low refresh rates and needing backlighting for low-
E-paper Technology
Rohit Egade presented on e-paper technology. E-paper is also called electronic paper or electronic ink display. It is flexible, portable, and can hold text and images like ordinary paper but uses electronic components. E-paper was first developed in the 1970s and two main technologies are electrophoretic and gyricon. It has a front plane made of e-ink and a back plane of electronic circuits. E-paper has properties like being thin, flexible, requiring no power to hold images, and being readable in sunlight. It can be used in applications like e-readers, watches, mobile phones, and status displays. Advantages include low power use and reading like paper while disadvantages are slow switching speeds
What's hot (20)
oled(organic light emmiting diode) ppt(power point presentation)
oled(organic light emmiting diode) ppt(power point presentation)
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This document lists various tool verbs in both English and Spanish, including hammer, drill, nail, screw, unscrew, work, drive, calculate, measure, repair, fix, hit, use, wear, tighten, fasten, loosen, cut, bend, assemble, join, and beat.
Phrases and verbs 5to (2)
This document provides examples and definitions for 9 English phrasal verbs:
1. Come across - To find something by accident.
2. Look forward to - To be excited about something that will happen in the future.
3. Take up - To start doing an activity or hobby.
It includes examples of using each phrasal verb in a sentence. Exercises are provided to match the phrasal verbs with their definitions and write original sentences using each one. The purpose is to teach and practice these common English phrasal verbs.
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- 1. OLED (Organic Light Emitting Diode) SURAJ SINGH Electronic and Communication Engineering
- 2. What is an OLED? OLED - Organic Light Emitting Diode An OLED is any light emitting diode (LED) which emissiveAn OLED is any light emitting diode (LED) which emissive electroluminescent layer is composed of a film of organic compoundselectroluminescent layer is composed of a film of organic compounds.. An OLED is an electronic device made by placing a series of organic thin films between two conductors. When electrical current is applied, a bright light is emitted. A device that is 100 to 500 nanometers thick or about 200 times smaller than a human hair.
- 4. Architecture of OLEDs Substrate (clear plastic, glass, foil) - The substrate supports the OLED. Anode (transparent) - The anode removes electrons (adds electron "holes") when a current flows through the device. Organic layer: o Conducting layer - This layer is made of organic plastic molecules that transport "holes" from the anode. One conducting polymer used in OLEDs is polyaniline. o Emissive layer - This layer is made of organic plastic molecules (different ones from the conducting layer) that transport electrons from the cathode; this is where light is made. One polymer used in the emissive layer is polyfluorene. Cathode (may or may not be transparent depending on the type of OLED) - The cathode injects electrons when a current flows through the device.
- 5. How OLEDs Emit Light The battery or power supply of the device containing the OLED applies a voltage across the OLED. An electrical current flows from the cathode to the anode through the organic layers. (an electrical current is a flow of electrons) At the boundary between the emissive and the conductive layers, electrons find electron holes. The OLED emits light.
- 6. Types of OLEDs • Passive-matrix • Active-matrix • Transparent • Top-emitting • Flexible • White
- 7. Passive OLEDs • The organic layer is between strips of cathode and anode that run perpendicular • The intersections form the pixels • Easy to make • Use more power • Best for small screens Active OLEDs • Full layers of cathode and anode • Anode over lays a thin film transistor (TFT) • Requires less power • Higher refresh rates • Suitable for large screens
- 8. Transparent
- 9. Top-Emitting
- 10. Flexible
- 11. White
- 12. Applications of OLEDs • TVs • Cell Phone screens • Computer Screens • Keyboards (Optimus Maximus) • Lights • Portable Divice displays
- 13. OLEDs as a Light Source
- 14. Advantages • Thinner, lighter and more flexible • Brighter • Consume much less power • Easier to produce and make into larger sizes • Large field of view
- 15. Disadvantages of OLEDs OLED Displays Vs. LCD and Plasma • Cost to manufacture is high • Overall luminance degradation • Constraints with lifespan • Easily damaged by water • Limited market availability OLED Lighting Vs. Incandescent and Fluorescent • Not as easy as changing a light bulb
- 16. Future Uses for OLED Lighting • Flexible / bendable lighting • Wallpaper lighting defining new ways to light a space • Transparent lighting doubles as a window Cell Phones • Nokia 888
- 17. Future Uses for OLED Transparent Car Navigation System on Windshield • Using Samsungs' transparent OLED technology • Heads up display • GPS system Scroll Laptop • Nokia concept OLED Laptop
- 18. References • http://impnerd.com/the-history-and-future-of-oled • http://en.wikipedia.org/wiki/Organic_light-emitting_diode • http://www.oled-research.com/oleds/oleds-history.html